Main trade-off
Denon PMA-600NE
One stereo speaker-terminal set. Analog Mode blocks digital and Bluetooth sources until it is switched off.
Head-to-head
Denon PMA-600NE vs Yamaha A-S501: Shared sources or hands-on controls?
The short answer
Choose PMA-600NE when two optical-only sources should stay connected, phone Bluetooth is useful, or inserting headphones should mute both speakers and a sub connected to PRE OUT. Choose A-S501 when variable loudness or selecting an already wired A/B speaker pair matters more. Follow Yamaha’s speaker-load rules, and lower volume before Pure Direct bypasses an attenuated loudness setting. Denon Analog Mode must be off for digital and Bluetooth playback. Neither has HDMI ARC or direct computer USB audio.
Before you choose
The reasoning and the trade-offs
A TV, a disc player and a phone need a source plan
Denon can leave a TV and an optical-only disc transport connected without a cable swap. Yamaha has one optical socket, although a usable coaxial output on the transport removes that conflict. A phone adds another difference: Denon receives Bluetooth directly, and its manual says connecting a Bluetooth device selects that input when the amplifier is on and Analog Mode is off. Someone joining with a phone can therefore change what the room is hearing. Yamaha needs an external Bluetooth source if wanted. Choose Denon when those direct connections help, then agree when a phone may take over and disconnect the previous phone before handing it to another person.
What this is based on
Several sources share one pair of speakers. The useful difference includes both available sockets and what happens when a household phone connects.
Main trade-off
Yamaha A-S501
One optical input and no built-in Bluetooth receiver. Wired headphones require a deliberate speaker-off routine and a separate subwoofer check.
Denon PMA-600NE
- Choose it for
- Keep two compatible optical sources connected and receive phone Bluetooth with Analog Mode off. Connecting Bluetooth selects that source.
- Mute speakers and the PRE OUT subwoofer connection by inserting wired headphones. Lower volume before listening.
- Main trade-off
- One stereo speaker-terminal set. Analog Mode blocks digital and Bluetooth sources until it is switched off.
Yamaha A-S501
- Choose it for
- Use variable loudness for the speaker-listening routine, lowering volume before Pure Direct bypasses that adjustment.
- Select an already wired A or B speaker pair, following the manual’s load rules. Both pairs share one program and volume.
- Main trade-off
- One optical input and no built-in Bluetooth receiver. Wired headphones require a deliberate speaker-off routine and a separate subwoofer check.
About this comparison
Denon PMA-600NE vs Yamaha A-S501 for records, TV and headphones. Compare shared-source connections, speaker muting and the settings left for the next listener.
These conventional integrated amplifiers are a real cross-shop for a turntable and passive speakers. The decision becomes clearer when the same room also has a TV, another music source and a different person using it at night.
Winner by situation
Start with what you need it to do
The TV and disc transport both need optical inputs
Denon keeps both connected with Analog Mode off. A usable coaxial alternative on the transport removes Yamaha’s socket conflict.
- Denon PMA-600NE
- Better fit
- Yamaha A-S501
- Caution
Several people switch from speakers and sub to wired headphones
Denon explicitly mutes speakers and PRE OUT. Yamaha needs SPEAKERS OFF and a separate check of the connected subwoofer.
- Denon PMA-600NE
- Better fit
- Yamaha A-S501
- Caution
I want variable loudness or selection of two installed speaker pairs
Yamaha provides both controls. Follow its speaker-load rules and lower volume before Pure Direct bypasses an attenuated loudness setting.
- Denon PMA-600NE
- Caution
- Yamaha A-S501
- Better fit
Someone changes modes before the next person uses the TV
Denon may need Analog Mode turned off at the unit. Yamaha Pure Direct can bypass a previous loudness adjustment, so check volume first.
- Denon PMA-600NE
- Depends
- Yamaha A-S501
- Depends
What matters in practice
The differences that matter
A TV, a disc player and a phone need a source plan
Denon can leave a TV and an optical-only disc transport connected without a cable swap. Yamaha has one optical socket, although a usable coaxial output on the transport removes that conflict. A phone adds another difference: Denon receives Bluetooth directly, and its manual says connecting a Bluetooth device selects that input when the amplifier is on and Analog Mode is off. Someone joining with a phone can therefore change what the room is hearing. Yamaha needs an external Bluetooth source if wanted. Choose Denon when those direct connections help, then agree when a phone may take over and disconnect the previous phone before handing it to another person.
How we reached this conclusion
Several sources share one pair of speakers. The useful difference includes both available sockets and what happens when a household phone connects.
Include the subwoofer in the bedtime handoff
A powered sub adds a second output to check when someone moves from speakers to wired headphones. Denon explicitly stops both speaker output and PRE OUT when the headphone plug goes in, so a sub connected to that output loses its signal too. Yamaha documents SPEAKERS OFF for its two speaker sets, but that statement does not establish automatic silence at its separate subwoofer output. Rehearse the actual Yamaha setup and keep any extra sub control in the routine. Denon is the clearer choice when several people need this handoff regularly. Yamaha’s other speaker controls can matter more when headphones are rarely used.
How we reached this conclusion
A shared speaker-and-sub system becomes a private listening system. A headphone socket alone does not settle every connected output.
Leave the amplifier ready for whoever follows your record
If someone enables Denon Analog Mode for a record, the next person cannot simply select the optical TV or Bluetooth. Turn Analog Mode off at the amplifier, allow its documented roughly five-second mute, and select the intended source. Yamaha Pure Direct leaves all inputs usable, but it bypasses the loudness setting along with tone and balance. If that loudness control was attenuating playback, lower the main volume before bypassing it as Yamaha instructs. A household wanting variable loudness can favor Yamaha. A household wanting Denon’s source connections can leave Analog Mode off. Neither mode is a reason here to promise better sound.
How we reached this conclusion
One listener changes a playback mode and another starts the next session. Source availability and an attenuated volume setting require different reset steps.
Choice A
Denon, PMA-600NE
Denon PMA-600NE
Keep two compatible optical sources connected and receive phone Bluetooth with Analog Mode off. Connecting Bluetooth selects that source.
- Best matched use
- Keep two compatible optical sources connected and receive phone Bluetooth with Analog Mode off. Connecting Bluetooth selects that source.
Checked facts
- Sources that stay connected: Two optical inputs, one coaxial and Bluetooth reception. Digital and Bluetooth require Analog Mode off.
- Headphones after speaker listening: Inserting headphones stops speakers and PRE OUT, including a powered sub connected there.
- The mode left after records: Analog Mode prevents optical, coaxial and Bluetooth selection. Change it on the amplifier, then select the intended source.
- Speaker controls: One stereo terminal set and tone controls, without a variable loudness knob.
Choice B
Yamaha, A-S501BL
Yamaha A-S501
Use variable loudness for the speaker-listening routine, lowering volume before Pure Direct bypasses that adjustment.
- Best matched use
- Use variable loudness for the speaker-listening routine, lowering volume before Pure Direct bypasses that adjustment.
Checked facts
- Sources that stay connected: One optical and one coaxial input, without built-in Bluetooth reception.
- Headphones after speaker listening: SPEAKERS OFF disables both speaker sets. Complete automatic subwoofer muting is not established by the manual.
- The mode left after records: Pure Direct works with all inputs but bypasses bass, treble, balance and loudness controls.
- Speaker controls: Variable loudness plus A/B speaker selection, with separate load requirements for one or two pairs.
Meaningful differences
What changes the fit
| What changes | Denon PMA-600NE | Yamaha A-S501 | Why it matters |
|---|---|---|---|
| Sources that stay connected | Two optical inputs, one coaxial and Bluetooth reception. Digital and Bluetooth require Analog Mode off. | One optical and one coaxial input, without built-in Bluetooth reception. | Check actual source outputs. A coaxial alternative can remove the second-optical conflict, while Denon phone connection can change the active source. |
| Headphones after speaker listening | Inserting headphones stops speakers and PRE OUT, including a powered sub connected there. | SPEAKERS OFF disables both speaker sets. Complete automatic subwoofer muting is not established by the manual. | Denon documents the complete speaker-and-sub signal handoff. Yamaha owners should check the actual connected sub separately. |
| The mode left after records | Analog Mode prevents optical, coaxial and Bluetooth selection. Change it on the amplifier, then select the intended source. | Pure Direct works with all inputs but bypasses bass, treble, balance and loudness controls. | The same apparent no-sound or changed-level problem can require different corrections. Check mode and lower volume before troubleshooting. |
| Speaker controls | One stereo terminal set and tone controls, without a variable loudness knob. | Variable loudness plus A/B speaker selection, with separate load requirements for one or two pairs. | Yamaha can serve an existing two-pair installation without moving speaker cables, but it does not create independent rooms. |
What you give up
Every choice has a cost
If you choose Denon PMA-600NE
- Other users need to know the Analog Mode button and that connecting a phone can change the selected source.
If you choose Yamaha A-S501
- A second optical-only source needs another usable connection or suitable switching hardware. Phone Bluetooth needs an external receiver if it is wanted.
Recommendation switch
The decision flips if...
Two optical-only sources or an automatic speaker-and-sub headphone handoff matter most
Choose Denon PMA-600NE. Denon supplies those documented routes. Keep Analog Mode off for digital sources and remember that a Bluetooth connection can select the phone.
One optical input is enough and variable loudness or A/B selection is genuinely useful
Choose Yamaha A-S501. Yamaha supplies those controls, with the loudness bypass warning and speaker-load rules retained.
What matters in practice
Before you choose
Denon makes some source and headphone changes easier, while Yamaha adds variable loudness and speaker-pair selection. Their mode buttons leave different jobs for the next user.
What this comparison cannot tell you
- No measured sound, power-to-loudness, reliability or speaker-matching superiority is claimed.
- Denon Bluetooth receives phone audio. It is not a Bluetooth-headphone transmitter.
- Yamaha automatic subwoofer muting remains unverified, rather than asserted absent.
- Neither amplifier provides HDMI ARC, integrated network streaming or a direct computer USB DAC.
- Denon Analog Mode and Source Direct are different functions. Yamaha A-S501 does not inherit A-S701-only CD Direct Amp.
What the facts say
What the comparison shows
Useful conclusions from the current stereo amplifiers comparison, followed by the checked facts used to reach them.
See the checked facts and calculation notes
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| Denon PMA-600NE |
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| Yamaha A-S501 |
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Ready to choose?
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Denon PMA-600NE
Keep two compatible optical sources connected and receive phone Bluetooth with Analog Mode off. Connecting Bluetooth selects that source.
Mute speakers and the PRE OUT subwoofer connection by inserting wired headphones. Lower volume before listening.
See price & reviews on AmazonYamaha A-S501
Use variable loudness for the speaker-listening routine, lowering volume before Pure Direct bypasses that adjustment.
Select an already wired A or B speaker pair, following the manual’s load rules. Both pairs share one program and volume.
See price & reviews on AmazonLinks open in a new tab.