Sold Audio innovations series 500 EL34 integrated amplifier
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Sold Audio innovations series 500 EL34 integrated amplifier
A classic from the 90's.
Quartet of EL34 provide 25W of Push-pull Class A power
with SS rectification.
Preamp tubes are ECC83 with ECC88 driver tubes.
Current: EL34 = Ruby EL34BSTF
Line preamp = Telefunken 12AX7 (well worn)
Phono preamp = original Precision ECC83 (not used since y2k).
Driver: Audio innovations ECC88 (well worn).
This model is with the sought after Henley transformer with 4,8 & 16 Ohm outputs.
Bought new in 1991.
Upgraded: coupling caps and Diode (done by Trikay years ago).
Note: 5881 tubes works well in this amplifier. Improves the bass significantly although it sacrifices a little bit of the EL34 sweetness.
Condition:7/10 due to age.
Performs and looks great.
Used sparingly for many years now.
Asking price: sold to a true blue Audio Innovations fan.
Please Google for reviews. Unlike some tube amplifiers, this amplifier can rock. The phono preamplifier in this integrated (a pair of good ECC83/12AX7) can beat many standalone preamplifiers.
Fully recapped July 23.
Box and manual lost in the mist of time.
Can test it @Cyberjaya.
Wasap o169 two two 786 zero for photos.
Quartet of EL34 provide 25W of Push-pull Class A power
with SS rectification.
Preamp tubes are ECC83 with ECC88 driver tubes.
Current: EL34 = Ruby EL34BSTF
Line preamp = Telefunken 12AX7 (well worn)
Phono preamp = original Precision ECC83 (not used since y2k).
Driver: Audio innovations ECC88 (well worn).
This model is with the sought after Henley transformer with 4,8 & 16 Ohm outputs.
Bought new in 1991.
Upgraded: coupling caps and Diode (done by Trikay years ago).
Note: 5881 tubes works well in this amplifier. Improves the bass significantly although it sacrifices a little bit of the EL34 sweetness.
Condition:7/10 due to age.
Performs and looks great.
Used sparingly for many years now.
Asking price: sold to a true blue Audio Innovations fan.
Please Google for reviews. Unlike some tube amplifiers, this amplifier can rock. The phono preamplifier in this integrated (a pair of good ECC83/12AX7) can beat many standalone preamplifiers.
Fully recapped July 23.
Box and manual lost in the mist of time.
Can test it @Cyberjaya.
Wasap o169 two two 786 zero for photos.
Last edited by timurmusicfan on Sat Aug 19, 2023 1:43 pm; edited 3 times in total (Reason for editing : Update information)
timurmusicfan- Frequent Contributor
- Number of posts : 263
Age : 63
Location : Cyberjaya
Registration date : 2010-04-15
Re: Sold Audio innovations series 500 EL34 integrated amplifier
Recapped Jul 23.
timurmusicfan- Frequent Contributor
- Number of posts : 263
Age : 63
Location : Cyberjaya
Registration date : 2010-04-15
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