In Reply to: perhaps you can enlighten me? You are correct I've not been keeping up... posted by Ralph on September 9, 2021 at 13:39:33:
http://aries-cerat.eu/products/amplifiers/concero-65
Power: 65W
Power consumption per channel: 400W
Noise floor: -90db(Ref) un-weighted
Gain: x2.7 (8.5db)
Inputs: RCA, AC link proprietary input
Energy storage: 2000j
1,800VA power transformer
Signal bandwidth: 10Hz-110KHz @80% max power
Output impedance: User selectable(impedance matching system)
1.6ohm(8ohm setting),0.8ohm(4ohm),0.4ohm(2ohm setting)
Distortion: -70db H2 @ 1W -50db H2 @10W
Adjustable bias on the fly
Output and driver on line monitors
No capacitor in signal path
SuperCapacitors used for output and driver power supply(1mohm ESR
capacitors)
Dimensions: 490mmW X 590mmD x 350mm (Reference line)
Weight: 95kg each
http://aries-cerat.eu/products/amplifiers/concero-25
Specifications:
Power : 20W ~ 25W depending on bias setting
Gain: X1 (x7 medium gain)
Noise floor: <-100db A-weighted
Power Bandwidth: 15Hz ~ 80Khz -3db @ 20W
Tube list: 1x Elrog 845, 1x RCA 814 (per channel)
Power Consumption @ idle: 200W
Dimensions: 550 mm W x 430 mm D x 280 mm H
Weight : 65Kg each, unpacked.
Not quite 100Khz but I doubt the phase shift is too significant
http://aries-cerat.eu/products/amplifiers/diana-forte-mezzo
Specifications
Max Power: 60W SE Class A (70W peak)
Max Power bandwidth: 15Hz- 110Khz
Noise floor: 100db
Combined gain: X 20 (26db)
Dimensions: 570mmW X 590mmD X 350mmH
Weight: 110Kg unpacked
Tubes: 2X814, 4 X 813
https://www.nataudio.com/products/vacuum-tube-power-amplifiers/item/27-transmitter-hps.html
echnical Specification
Name Value
Type Single Ended Class "A" Triode
Power Output max. 80 Watts @ 1 kHz
Frequency Response 8 Hz to 110 kHz -3dB
Input impedance 100 k ohms parallel with 100pF
Input Sensitivity 1.5 V RMS for 80 Watts
Gain 24.50 dB (x18.8)
Noise 110 dB below rated output "A" weighted
Tube Complement 2 x 6N6P, 1 x QB5/1750
Power Requirement 110 to 240 VAC @ 50 to 60 Hz, 370 VA max. (set in factory)
Dimensions 11.8" (300 mm) wide ´ 20.9" (530 mm) deep ´ 10.2" (260 mm) high
NET Weight approx. 89 lbs (40 kg) unpacked / per block
TOTAL Weight approx. 220 lbs (100 kg) packed in polypropylene crate / per pair
https://www.nataudio.com/products/vacuum-tube-power-amplifiers/item/24-se1-gm70.html
Technical Specification
Name Value
Type Single Ended Class "A"
Power Output up to 25 W @ 1 kHz, 8 ohms taps
THD 0.95% @ 20 W @ 1 kHz
Frequency Response 10 Hz to 70 kHz
Input Impedance 100 kohms parallel with 100pF
Input Sensitivity 1 V RMS for 25 Watts Output @ zero feedback
Gain 23 dB (x14)
Noise 108 dB below rated output "A" weighted
Tube Complement 1 x EC1010, 1 x 3E29 & 1 x GM70 (3 tubes/block, 2 tubes inside a chassis)
Power Requirement 220 to 240 (110 to 120) VAC @ 50 to 60 Hz, 180 VA max.
Dimensions 11.8" (300 mm) wide x 20.4" (520 mm) deep x 10.2" (260 mm) high
NET Weight approx. 60 lbs. (25 kg) unpacked / monoblock
TOTAL Weight approx. 133 lbs. (60 kg) packed in two polypropylene crate
Not quite 100Khz but 70Khz isn't bad...
https://www.ayonaudio.com/product/ayon-crossfire-evo-mono/
Bandwidth to 60Khz...
http://www.mastersoundsas.it/1/power_amplifiers_4432639.html
MasterSound amps have bandwidths of 80Khz + ...
https://www.wavac-audio.jp/ec300b_e.shtml
One of the better 300B amps out there...rated to 100Khz...
https://www.wavac-audio.jp/ec838_e.shtml
also to 100khz
None go to 2 Hz but several are single digits Hz while getting to 100Khz or close.
http://aries-cerat.eu/products/amplifiers/ianus-series/essentia
https://www.nataudio.com/products/hybrid-power-amplifiers/item/155-magneto.html
Something different for you. Single ended, single element hybrids that are OTL...
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Follow Ups
- RE: perhaps you can enlighten me? You are correct I've not been keeping up... - morricab 09/10/2107:30:51 09/10/21 (12)
- Thanks! - Ralph 09:44:19 09/10/21 (11)
- RE: Thanks! - thetubeguy1954 15:41:07 09/11/21 (9)
- Sounds like the room is helping you out a lot. - Ralph 08:34:05 09/13/21 (1)
- RE: Sounds like the room is helping you out a lot. - thetubeguy1954 01:31:38 10/8/21 (0)
- RE: Thanks! - morricab 14:23:50 09/12/21 (6)
- RE: Thanks! - thetubeguy1954 01:51:49 10/8/21 (1)
- RE: Thanks! - morricab 07:43:35 10/12/21 (0)
- RE: Thanks! - 91derlust 03:22:02 09/14/21 (3)
- RE: Thanks! - morricab 14:10:10 09/14/21 (2)
- RE: Thanks! - 91derlust 15:20:44 09/14/21 (1)
- RE: Thanks! - morricab 01:23:16 09/15/21 (0)
- RE: Thanks! - morricab 15:33:15 09/10/21 (0)