Pioneer SA-7100, question

Fast1one · 1st October 2007, 07:47 PM

Just purchased this integrated amplifier for a bargain, works and sounds great especially for the price. I couldn't find anywhere if it was stable to 4 ohms or how much power it put out. Any ideas? Was going to wire a Pioneer B20 and a helper tweeter in parallel...

Thanks,
Serg

EchoWars · 2nd October 2007, 07:03 AM

4 ohms should be fine unless you want to get real frisky with the volume knob...not a lot of reserve in this amp.

+/-27V (approx) power supply rails means it is probably rated at about 35WPC, and can probably do close to 45WPC.

planet10 · 2nd October 2007, 07:10 AM

When we sold these new, we never worried about 4 ohms... it will be fine.

The B20 in parallel with a tweeter (+ series cap) will be nominal 8 ohms not 4.

dave

Fast1one · 2nd October 2007, 04:54 PM

Thanks a lot guys! I love this forum!!!

Cheers,
Serg

1st October 2007, 07:47 PM	#1
Fast1one diyAudio Member Join Date: Sep 2006	Pioneer SA-7100, question Just purchased this integrated amplifier for a bargain, works and sounds great especially for the price. I couldn't find anywhere if it was stable to 4 ohms or how much power it put out. Any ideas? Was going to wire a Pioneer B20 and a helper tweeter in parallel... Thanks, Serg

2nd October 2007, 07:10 AM	#3
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	When we sold these new, we never worried about 4 ohms... it will be fine. The B20 in parallel with a tweeter (+ series cap) will be nominal 8 ohms not 4. dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

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2nd October 2007, 07:03 AM	#2
EchoWars diyAudio Member Join Date: Dec 2002 Location: Left of the Dial	4 ohms should be fine unless you want to get real frisky with the volume knob...not a lot of reserve in this amp. +/-27V (approx) power supply rails means it is probably rated at about 35WPC, and can probably do close to 45WPC.

2nd October 2007, 04:54 PM	#4
Fast1one diyAudio Member Join Date: Sep 2006	Thanks a lot guys! I love this forum!!! Cheers, Serg

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