Note: This offer is for a used device. The device may have minor scratches, but this does not affect its functionality – it is in perfect sound and technical condition.
Pier Audio MS-88 SE – High-quality tube integrated amplifier with channel-separated tube rectification
The Pier Audio MS-88 SE combines traditional tube technology with sophisticated construction and high-quality workmanship. Its unique circuit topology, powerful KT88 tubes, and channel-separated tube rectification make it an exceptional amplifier solution for discerning music lovers. Sonically, it impresses with a natural, dynamic, and spacious reproduction characterized by authenticity and musical vibrancy.
A special feature is the elaborate power supply with two separate 5Z3PA rectifier tubes (5U4G), each dedicated to one channel. The preamp stage uses two 6SL7 and two 6SN7 tubes, while four KT88 tubes in a Class AB push-pull configuration handle the final amplification.
Depending on the selected operating mode, 2 × 48 watts are available in ultralinear mode or 2 × 24 watts in triode mode. This allows for individual adjustment of the sound character. Specially manufactured EI audio transformers for Pier Audio, featuring low magnetic loss, wide frequency bandwidth, and high efficiency, further contribute to high-quality signal processing.
The MS-88 SE also proves versatile in terms of connectivity. Three AUX inputs provide space for analog music sources, while an additional bypass input allows it to be used as a pure power amplifier. The 4-ohm and 8-ohm speaker outputs allow the amplifier to be adapted to different speakers.
A high-quality ALPS potentiometer is used for precise volume control. Another practical feature is the integrated bias adjustment with a measuring instrument, which allows the quiescent current of the tubes to be monitored and adjusted.
The elegant wooden side panels visually emphasize the amplifier's classic character. Together with the solid 30 kg chassis and high-quality workmanship, the result is an overall impression that is both impressive and timeless.
The Pier Audio MS-88 SE is the right choice for lovers of high-quality tube technology who appreciate a powerful, natural and musically authentic reproduction with flexible setting options.
Technical data
General
Product type: Tube integrated amplifier with tube mains rectification
Amplifier principle: Push-pull, differential push-pull, Class AB
Power consumption: maximum 280 watts
Weight: 30 kg
Dimensions (W × H × D): 430 × 380 × 220 mm
Included in delivery: wooden side panels, black tube cover grid, power cable
Tube configuration
Preamplifier: 2 × 6SL7, 2 × 6SN7
Power amplifier: 4 × KT88
Rectification: 2 × 5Z3PA (5U4G), channel-separated
Amplifier power
Ultralinear: 2 × 48 watts
Triode: 2 × 24 watts
Impedance: 4 and 8 ohms
Technical specifications
Frequency response: 18 Hz to 30 kHz
Total harmonic distortion: 1% at 1 kHz
Signal-to-noise ratio: 90 dB
Input sensitivity AUX 1–3: 290 mV
Input sensitivity bypass: 400 mV
Input impedance: 250 kΩ
Connections and features
Inputs: 3 × AUX (RCA), 1 × Bypass
Volume control: ALPS potentiometer
Bias setting: Manually via integrated measuring instrument
Operating modes: Ultralinear and Triode
Speaker connections: 4 and 8 ohms
Information on the used device
| Number of previous owners | 1 |
| Year of construction | 2025 |
| Original packaging | Yes |
| First purchase in the auditorium | no |
| Price for initial purchase | |
| Condition assessment | Very good - fully functional, rarely used, well-maintained, only the slightest signs of wear, complete |
Accessories
complete
| Condition: | Used equipment |
|---|---|
| Condition assessment: | Very good - fully functional, rarely used, well-maintained, only the slightest signs of wear, complete |
| Device depth mm: | 220 |
| Device height mm: | 380 |
| Device width mm: | 430 |
| Initially purchased from Auditorium: | no |
| Number of previous owners: | 1 |
| Original packaging: | Yes |
| Product type: | integrated amplifier |
| Year of manufacture: | 2025 |
Accessories
complete
Safety Information
Product-specific safety instructions can be found in the operating manual.
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